Matter Switch: Update switchLevel handler from floor to round

[hcarter-775]

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Type of Change

• WWST Certification Request
  • If this is your first time contributing code:
    • I have reviewed the README.md file
    • I have reviewed the CODE_OF_CONDUCT.md file
    • I have signed the CLA
  • I plan on entering a WWST Certification Request or have entered a request through the WWST Certification console at developer.smartthings.com
• Bug fix
• New feature
• Refactor

Checklist

• I have performed a self-review of my code
• I have commented my code in hard-to-understand areas
• I have verified my changes by testing with a device or have communicated a plan for testing
• I am adding new behavior, such as adding a sub-driver, and have added and run new unit tests to cover the new behavior

Description of Change

Matches this commit: b52b3c0

Summary of Completed Tests

Unit tests updated

[github-actions]

Channel deleted.

[github-actions]

Test Results

   71 files    480 suites   0s ⏱️
2 483 tests 2 483 ✅ 0 💤 0 ❌
4 264 runs  4 264 ✅ 0 💤 0 ❌

Results for commit 992bc3f.

[github-actions]

File	Coverage
All files	92%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/camera/init.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/camera/camera_utils/device_configuration.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/camera/camera_utils/utils.lua	95%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/ikea_scroll/init.lua	85%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/camera/camera_handlers/attribute_handlers.lua	95%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/camera/camera_handlers/capability_handlers.lua	78%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_handlers/attribute_handlers.lua	85%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_handlers/event_handlers.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_handlers/capability_handlers.lua	89%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_utils/embedded_cluster_utils.lua	38%	❌
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_utils/fields.lua	99%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_utils/device_configuration.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/switch_utils/utils.lua	90%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/third_reality_mk1/init.lua	95%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/init.lua	97%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/aqara_cube/init.lua	96%	✅
/home/runner/work/SmartThingsEdgeDrivers/SmartThingsEdgeDrivers/drivers/SmartThings/matter-switch/src/sub_drivers/eve_energy/init.lua	91%	✅

Minimum allowed coverage is 90%

Generated by 🐒 cobertura-action against 992bc3f